#include <iostream>
#include <iomanip>

using namespace std;

int main() {
    int num1 = 5, num2 = 2;
    cout << num1 / num2 << endl;
    cout << num1 % num2 << endl;
    num1 = num2++ - --num2;
    cout << num1 << '\t' << num2 << endl;


    /*double attack1 = 272;
    double attack2 = 250;
    double attack3 = 240;

    cout << left;
    cout << setfill('_');
    cout <<setw(8) << attack1 <<
           setw(8) << attack2 <<
           setw(8) << attack3 << endl;*/


    /*string str = "你好";
    cout << str << endl;

    //typedef为数据类型起别名
    typedef int zhengxing;
    zhengxing num1 = 90;
    int num2 = 90;  //这两个方法相等*/
}
